package com.ssm.dao;

import com.ssm.pojo.Books;

import java.util.List;

/**
 * @author ayun
 * @description: mapper接口
 * @create 2021-09-22 15:37
 */
public interface BookMapper {
    //增加一个Book
    int addBook(Books book);
    //根据id删除一个Book
    int deleteBookById(int id);
    //更新Book
    int updateBook(Books books);
    //根据id查询,返回一个Book
    Books queryBookById(int id);
    //查询全部Book,返回list集合
    List<Books> queryAllBook();

    //根据id查询,返回一个Book
    Books queryBookByName(String bookName);
}